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https://github.com/deepseek-ai/deepseek-harness
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bb43ff4f37
A default naming a route the Models page has since removed left the composer saying 选择模型 while the input still accepted a message, which then failed inside the adapter mid-turn. `session.prompt` now refuses with `model-unavailable` before opening a turn. That is the enforcement boundary: the method stays callable no matter what a client disables. `session.models` reports the same fact as `routable`, and ui-model pushes a block through the new `ctx.conversation.blocks` registry so the bar renders the disabled textarea it already renders without a workspace, carrying the blocker's own reason. The push direction is forced — ui-model already depends on ui-conversation, so ui-conversation cannot read it back. The gate is `routable`, not "matches no advertised group": catalog membership is advisory, so a route serving a model it stopped advertising is missing from the groups yet perfectly usable, and `null` before the first load never blocks so a slow Host cannot lock a working composer. The scaffold gains a route-only adapter for fixture-less keyless scenarios. Registering zero providers is a test artifact — every product composition mounts one — and the goldens that froze the seat's fallback label now show the model those scenarios actually route to.
host/ — web-GUI host half
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The host side of the dsh web GUI: the API gateway every client shape shares, and the plain HTTP server it rides on. The browser side lives in client/; the composed application is apps/cli booting the dsh-base bundle serving apps/web. All product packages.
| Package | Role | ctx key |
|---|---|---|
apiproxy/ |
Shared host API gateway and wire contract | ctx.apiProxy |
webserver/ |
HTTP route carrier | ctx.httpServer |
frontend-static/ |
SPA dist server on the webserver fallback seat | consumes ctx.httpServer |
directory-picker/ |
Workspace-directory picking seam | ctx.directoryPicker |
directory-picker-native/ |
Native directory-picker backend and browser interaction | registers ctx.directoryPicker |
directory-picker-browse/ |
In-app directory-browser backend and interaction | registers ctx.directoryPicker |
directory-picker-auto/ |
Host-adaptive picker composition | mounts a backend |
apiproxy remains transport-independent; client/connection supplies the browser/HTTP carrier. Picker implementations replace one another behind the shared seam.